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SubjectRe: [PATCH v1 0/3] Fix seccomp for UM (next)
On Mon, Jul 11, 2016 at 6:59 PM, Kees Cook <keescook@chromium.org> wrote:
> On Mon, Jul 11, 2016 at 5:56 PM, Mickaël Salaün <mic@digikod.net> wrote:
>> Hi,
>>
>> This series fix the recent seccomp update for the User-mode Linux architecture
>> (32-bit and 64-bit) since commit 26703c636c1f3272b39bd0f6d04d2e970984f1b6
>> (close the hole where ptrace can change a syscall out from under seccomp).
>>
>> Regards,
>>
>> Mickaël Salaün (3):
>> um/ptrace: Fix the syscall_trace_leave call
>> um/ptrace: Fix the syscall number update after a ptrace
>> seccomp: Remove 2-phase API documentation
>>
>> arch/Kconfig | 11 -----------
>> arch/um/kernel/skas/syscall.c | 10 +++-------
>> arch/x86/um/ptrace_32.c | 3 +++
>> arch/x86/um/ptrace_64.c | 4 ++++
>> 4 files changed, 10 insertions(+), 18 deletions(-)
>
> Ah, perfect! Thanks for fixing this! James, can you pick this up for -next?
>
> Acked-by: Kees Cook <keescook@chromium.org>

James, can you take these fixes for v4.8? We'll need them for um to
work correctly again. (They appear to still be missing from -next.)

Thanks!

-Kees

--
Kees Cook
Chrome OS & Brillo Security

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